We all know that Microsoft is using increasingly aggressive -- and desperate -- tactics to get people to upgrade to its newest operating system. A month ago it switched the update status from 'optional' to 'recommended', and last week it snuck Windows 10 advertising into a security patch.

So what dirty trick is next? Well, according to Reddit, it’s installing the OS without user consent -- and without much warning -- and hiding the decline button to make it much harder to abort the process.